A live-action movie when Bart puts on his mask and with his friends figth against a very misterious criminal that keeps his/her identitity secret in a mask... but... is he/she an already-known danger for him and the town??? But Bart isn´t alone:
His sister and friends will help him to end with this menace...

NOTE:The words beetween parentheses means the heroichal denomination of some characeters in this movie...